<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			var c="abddfdf";
			function wocao(){
			   var s1=c.toUpperCase()[0];
			   s1+=c.substring(2);
			   // for(i=1;i<c.length;i++){
				  //  s1+=c[i];
			   // }
			   document.write(s1);
			}
			wocao();
		</script>
	</body>
</html>
